Union nut



FIG. 1 is an upper-right-front perspective view of a union nut showing my new design;

FIG. 2 is a lower-left-rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right hand elevation view thereof, the left hand elevation view being a mirror image thereto;

FIG. 5 is a top plan view thereof, the bottom plan view being a mirror image thereto; and

FIG. 6 is a rear elevation view thereof;

FIG. 7 is an upper-right-front perspective view of a second embodiment of a union nut showing my new design;

FIG. 8 is a lower-left-rear perspective view thereof;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a right hand elevation view thereof, the left hand elevation view being a mirror image thereto;

FIG. 11 is a top plan view thereof, the bottom plan view being a mirror image thereto; and

FIG. 12 is a rear elevation view thereof;

FIG. 13 is an upper-right-front perspective view of a third embodiment of a union nut showing my new design;

FIG. 14 is a lower-left-rear perspective view thereof;

FIG. 15 is a front elevation view thereof;

FIG. 16 is a right hand elevation view thereof, the left hand elevation view being a mirror image thereto;

FIG. 17 is a top plan view thereof, the bottom plan view being a mirror image thereto; and

FIG. 18 is a rear elevation view thereof;

FIG. 19 is an upper-right-front perspective view of a fourth embodiment of a union nut showing my new design;

FIG. 20 is a lower-left-rear perspective view thereof;

FIG. 21 is a front elevation view thereof;

FIG. 22 is a right hand elevation view thereof, the left hand elevation view being a mirror image thereto;

FIG. 23 is a top plan view thereof, the bottom plan view being a mirror image thereto; and

FIG. 24 is a rear elevation view thereof;

FIG. 25 is an upper-right-front perspective view of a fifth embodiment of a union nut showing my new design;

FIG. 26 is a lower-left-rear perspective view thereof;

FIG. 27 is a front elevation view thereof;

FIG. 28 is a right hand elevation view thereof, the left hand elevation view being a mirror image thereto;

FIG. 29 is a top plan view thereof, the bottom plan view being a mirror image thereto; and,

FIG. 30 is a rear elevation view thereof. 

CLAIM The ornamental design for a union nut, as shown and described. 